What are their practical effects for various kinds of diseases?
面对万千种疾病各有多少实际疗效？
By formula deriving and data calculating, the errors resulted from the two different methods are obtained, and their effects on solving practical engineering problems revealed.
并通过公式推导及具体数据计算，找出两种不同处理结果的误差，及对解决工程实际问题的影响。
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